]]>http://www.mathisfunforum.com/profile.php?id=676942013-06-07T18:11:13Zhttp://www.mathisfunforum.com/viewtopic.php?pid=273296#p273296Yes dude it make sense now ,I tried to solve and after coming to this point I gave up

]]>http://www.mathisfunforum.com/profile.php?id=676942013-06-07T15:59:32Zhttp://www.mathisfunforum.com/viewtopic.php?pid=273259#p27325924/25 is the exact answer. We can use the roots of that quadratic.]]>http://www.mathisfunforum.com/profile.php?id=1187862013-06-07T15:49:59Zhttp://www.mathisfunforum.com/viewtopic.php?pid=273257#p273257hi debjit625

Apologies for thinking the quadratic was wrong. But it gives

Which is not sin(a+b)

Still hoping for an analytic solution.

Bob

]]>http://www.mathisfunforum.com/profile.php?id=676942013-06-07T15:46:26Zhttp://www.mathisfunforum.com/viewtopic.php?pid=273256#p273256And thanks Bob and anonimnystefy for the reply]]>http://www.mathisfunforum.com/profile.php?id=1911932013-06-07T14:57:36Zhttp://www.mathisfunforum.com/viewtopic.php?pid=273249#p273249Sorry for late reply...Here is how I did

The answer in the book is sin(a + b) = 24/25 as bob got 0.96,@Bob but I didn't understood what you did... can you explain and why my equation is not working